4434012421 has 4 divisors (see below), whose sum is σ = 4438314144. Its totient is φ = 4429710700.

The previous prime is 4434012419. The next prime is 4434012439. The reversal of 4434012421 is 1242104344.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4434012421 - 2¹ = 4434012419 is a prime.

It is a super-2 number, since 2×4434012421² = 39320932299164562482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4434012461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2149315 + ... + 2151376.

It is an arithmetic number, because the mean of its divisors is an integer number (1109578536).

Almost surely, 2^4434012421 is an apocalyptic number.

It is an amenable number.

4434012421 is a deficient number, since it is larger than the sum of its proper divisors (4301723).

4434012421 is a wasteful number, since it uses less digits than its factorization.

4434012421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4301722.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 4434012421 is about 66588.3805254340. The cubic root of 4434012421 is about 1642.8539959983.

Adding to 4434012421 its reverse (1242104344), we get a palindrome (5676116765).

The spelling of 4434012421 in words is "four billion, four hundred thirty-four million, twelve thousand, four hundred twenty-one".